Home / 13,309,846.04-18,367,599.69-7,198,274.54

Finding the Fourth Proportional to 13,309,846.04, 18,367,599.69 and 7,198,274.54

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Solution

The fourth proportional to 13,309,846.04, 18,367,599.69 and 7,198,274.54 is: 9,933,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,846.04 : 18,367,599.69 = 7,198,274.54 : x
  2. Step 2: Convert to fraction form
    13,309,846.04/18,367,599.69 = 7,198,274.54/x
  3. Step 3: Cross multiply
    13,309,846.04x = 18,367,599.69 × 7,198,274.54
  4. Step 4: Simplify right side
    13,309,846.04x = 132,215,025,117,600.91
  5. Step 5: Solve for x
    x = 132,215,025,117,600.91/13,309,846.04
  6. Step 6: Final answer
    x = 9,933,625.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.